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1 package net.sf.panoptes.model.node;
2
3 import java.io.File  ;
4 import java.util.Collection ;
5 import java.util.Enumeration ;
6 import java.util.HashMap ;
7 import java.util.HashSet ;
8 import java.util.Iterator ;
9 import java.util.List ;
10 import java.util.Map ;
11 import java.util.Set ;
12 import java.util.Vector ;
13 import java.util.Map.Entry;
14
15 import javax.swing.tree.DefaultMutableTreeNode ;
16
17 import net.sf.panoptes.component.jmx.model.MBeanServerNode;
18
19 import org.apache.commons.collections.MapUtils;
20 import org.apache.commons.logging.Log;
21 import org.apache.commons.logging.LogFactory;
22
23 import net.sf.panoptes.swing.OperationFactory;
24
25
33
34 public abstract class NodeSupport implements Node {
35
36 protected Log log = LogFactory.getLog(getClass());
37 private Node parent;
38 private Vector listeners = new Vector ();
39 private NodeDescriptor configDescriptor = new NodeDescriptor();
40 private Context context;
41
42 private MBeanServerNode server = null;
43 private OperationFactory operationFactory = null;
44
45 public NodeSupport(Node parent) {
46 this.parent = parent;
47 if (parent == null) {
48 context = new Context(null);
49 } else {
50 context = new Context(parent.getContext());
51 }
52 context.put("node", this);
53
54 }
55
56 public OperationFactory getOperationFactory() {
57 if (operationFactory == null) {
58 if (parent == null)
59 return OperationFactory.getFactory();
60 else
61 return parent.getOperationFactory();
62 } else
63 return operationFactory;
64 }
65
66
67
68 public Context getContext() {
69 return context;
70 }
71
72 public Node getParent() {
73 return parent;
74 }
75
76 public void setConfigDescriptor(NodeDescriptor configDescriptor) {
77 this.configDescriptor = configDescriptor;
78 }
79
80 public void addUpdateListener(NodeUpdateListener listener) {
81 listeners.add(listener);
82 }
83
84 public void removeUpdateListener(NodeUpdateListener listener) {
85 listeners.remove(listener);
86 }
87
88 public void notifyListeners(NodeUpdateEvent event) {
89 for (Enumeration e = listeners.elements(); e.hasMoreElements();) {
90 ((NodeUpdateListener) e.nextElement()).nodeUpdated(event);
91 }
92 }
93
94 public NodeDescriptor getConfigDescriptor() {
95 return configDescriptor;
96 }
97
98 public abstract List getChildren();
99 public abstract void refresh();
100
101 public void refreshRecursive() {
102 Collection children = getChildren();
103 for (Iterator i = children.iterator(); i.hasNext();) {
104 Object o = i.next();
105 try {
106 ((Node) o).refreshRecursive();
107 } catch (ClassCastException e) {
108 log.error("Cast " + o.getClass().getName() + ", " + this.getClass().getName(), e);
109 }
110
111 }
112 refresh();
113 }
114
115 public class Context extends HashMap {
116
117 private Context parentContext;
118 public Context(Context parentContext) {
119 this.parentContext = parentContext;
120 }
121
122 public Object get(Object key) {
123 if (super.get(key) == null && parentContext != null)
124 return parentContext.get(key);
125 else
126 return super.get(key);
127 }
128
129 public void putInMap(Map map) {
130 if (parent != null)
131 parent.getContext().putInMap(map);
132 for (Iterator i = super.entrySet().iterator(); i.hasNext();) {
133 Map.Entry e = (Entry) i.next();
134 map.put(e.getKey(), e.getValue());
135 }
136 }
137
138 public Set entrySet() {
139 if (parent != null) {
140 HashMap fullMap = new HashMap ();
141 putInMap(fullMap);
142 return fullMap.entrySet();
143 } else
144 return super.entrySet();
145 }
146
147 public Set keySet() {
148 if (parent != null) {
149 Set set = new HashSet ();
150 set.addAll(parent.getContext().keySet());
151 set.addAll(super.keySet());
152 return set;
153 } else
154 return super.keySet();
155 }
156
157 }
158 }
159 |
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